Danilton Luiz Flumignan, Staël Caroline Rego Ribeiro da Silva, Júlio Cesar Salton, Eder Comunello
{"title":"农林系统中桉树的直径增长及其与气温和降水的关系","authors":"Danilton Luiz Flumignan, Staël Caroline Rego Ribeiro da Silva, Júlio Cesar Salton, Eder Comunello","doi":"10.1007/s10457-023-00936-x","DOIUrl":null,"url":null,"abstract":"<p>In agroforestry systems, such as integrated crop-livestock-forest (iCLF), the agricultural, livestock and arboreal components are explored in the same field in rotation, succession or intercropping. Our objective was to investigate if the diameter growth of eucalyptus in agroforestry systems differs from those cultivated as a planted forest, as well as to assess whether there is a difference in its growth in face of the air temperature and precipitation. The study was held at Ponta Porã, Brazil, a region of humid subtropical climate with hot summers and soil classified as Oxisol, which is fertile, deep and clayey. Dendrometer bands measured the diameter growth of eucalyptus (<i>Eucalyptus urograndis</i>) cultivated as a forest and in iCLF, with eucalyptus rows distance of 12.5 × 12.5 m, 12.5 m one side × 25 m another side and 25 × 25 m. The study took place from four years and nine months after transplanting till six years and seven months (22 months monitoring). On iCLF, the inter-row was explored with grain crops (soybean or corn) and pasture. Climate data of air temperature and precipitation were used to investigate their influence or not on diameter growth. Eucalyptus diameter growth is higher when cultivated in agroforestry systems and this growth is as higher as larger is the distance between eucalyptus rows. Precipitation proved to strongly and positively influence the diameter growth, especially when cultivated in agroforestry systems. On the other hand, under the conditions of this study, air temperature showed little or no correlation with eucalyptus diameter growth.</p><h3 data-test=\"abstract-sub-heading\">Graphical abstract</h3>\n","PeriodicalId":7610,"journal":{"name":"Agroforestry Systems","volume":null,"pages":null},"PeriodicalIF":2.0000,"publicationDate":"2023-12-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Diameter growth of eucalyptus trees in agroforestry systems and its relation to air temperature and precipitation\",\"authors\":\"Danilton Luiz Flumignan, Staël Caroline Rego Ribeiro da Silva, Júlio Cesar Salton, Eder Comunello\",\"doi\":\"10.1007/s10457-023-00936-x\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<p>In agroforestry systems, such as integrated crop-livestock-forest (iCLF), the agricultural, livestock and arboreal components are explored in the same field in rotation, succession or intercropping. Our objective was to investigate if the diameter growth of eucalyptus in agroforestry systems differs from those cultivated as a planted forest, as well as to assess whether there is a difference in its growth in face of the air temperature and precipitation. The study was held at Ponta Porã, Brazil, a region of humid subtropical climate with hot summers and soil classified as Oxisol, which is fertile, deep and clayey. Dendrometer bands measured the diameter growth of eucalyptus (<i>Eucalyptus urograndis</i>) cultivated as a forest and in iCLF, with eucalyptus rows distance of 12.5 × 12.5 m, 12.5 m one side × 25 m another side and 25 × 25 m. The study took place from four years and nine months after transplanting till six years and seven months (22 months monitoring). On iCLF, the inter-row was explored with grain crops (soybean or corn) and pasture. Climate data of air temperature and precipitation were used to investigate their influence or not on diameter growth. Eucalyptus diameter growth is higher when cultivated in agroforestry systems and this growth is as higher as larger is the distance between eucalyptus rows. Precipitation proved to strongly and positively influence the diameter growth, especially when cultivated in agroforestry systems. 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Diameter growth of eucalyptus trees in agroforestry systems and its relation to air temperature and precipitation
In agroforestry systems, such as integrated crop-livestock-forest (iCLF), the agricultural, livestock and arboreal components are explored in the same field in rotation, succession or intercropping. Our objective was to investigate if the diameter growth of eucalyptus in agroforestry systems differs from those cultivated as a planted forest, as well as to assess whether there is a difference in its growth in face of the air temperature and precipitation. The study was held at Ponta Porã, Brazil, a region of humid subtropical climate with hot summers and soil classified as Oxisol, which is fertile, deep and clayey. Dendrometer bands measured the diameter growth of eucalyptus (Eucalyptus urograndis) cultivated as a forest and in iCLF, with eucalyptus rows distance of 12.5 × 12.5 m, 12.5 m one side × 25 m another side and 25 × 25 m. The study took place from four years and nine months after transplanting till six years and seven months (22 months monitoring). On iCLF, the inter-row was explored with grain crops (soybean or corn) and pasture. Climate data of air temperature and precipitation were used to investigate their influence or not on diameter growth. Eucalyptus diameter growth is higher when cultivated in agroforestry systems and this growth is as higher as larger is the distance between eucalyptus rows. Precipitation proved to strongly and positively influence the diameter growth, especially when cultivated in agroforestry systems. On the other hand, under the conditions of this study, air temperature showed little or no correlation with eucalyptus diameter growth.
期刊介绍:
Agroforestry Systems is an international scientific journal that publishes results of novel, high impact original research, critical reviews and short communications on any aspect of agroforestry. The journal particularly encourages contributions that demonstrate the role of agroforestry in providing commodity as well non-commodity benefits such as ecosystem services. Papers dealing with both biophysical and socioeconomic aspects are welcome. These include results of investigations of a fundamental or applied nature dealing with integrated systems involving trees and crops and/or livestock. Manuscripts that are purely descriptive in nature or confirmatory in nature of well-established findings, and with limited international scope are discouraged. To be acceptable for publication, the information presented must be relevant to a context wider than the specific location where the study was undertaken, and provide new insight or make a significant contribution to the agroforestry knowledge base